SET OF RAILROAD TRACK MAINTENANCE MACHINES INCLUDING AN APPARATUS FOR CLEANING THE BROKEN STONE BEDHISTKI HHEBENNOGO OSNOVANIJA,申请号PL19780209911-传众专利搜索

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发明名称	SET OF RAILROAD TRACK MAINTENANCE MACHINES INCLUDING AN APPARATUS FOR CLEANING THE BROKEN STONE BEDHISTKI HHEBENNOGO OSNOVANIJA
摘要
申请公布号	PL120452(B1)	申请公布日期	1982.03.31
申请号	PL19780209911	申请日期	1978.09.28
申请人		发明人
分类号	E01B27/06;E01B27/02;E01B27/10;E01B27/13;E01B27/17;(IPC1-7):E01B27/10	主分类号	E01B27/06
代理机构		代理人
主权项
地址

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